| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1198.79 | USD | 20251120 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.35 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.35 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.14 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.14 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251113 |